80130400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 144

約数和(自身を含む): 229672800

約数和(自身を除く): 149542400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 41, 50, 56, 70, 80, 82, 100, 112, 140, 160, 164, 175, 200, 205, 224, 280, 287, 328, 349, 350, 400, 410, 560, 574, 656, 698, 700, 800, 820, 1025, 1120, 1148, 1312, 1396, 1400, 1435, 1640, 1745, 2050, 2296, 2443, 2792, 2800, 2870, 3280, 3490, 4100, 4592, 4886, 5584, 5600, 5740, 6560, 6980, 7175, 8200, 8725, 9184, 9772, 11168, 11480, 12215, 13960, 14309, 14350, 16400, 17450, 19544, 22960, 24430, 27920, 28618, 28700, 32800, 34900, 39088, 45920, 48860, 55840, 57236, 57400, 61075, 69800, 71545, 78176, 97720, 100163, 114472, 114800, 122150, 139600, 143090, 195440, 200326, 228944, 229600, 244300, 279200, 286180, 357725, 390880, 400652, 457888, 488600, 500815, 572360, 715450, 801304, 977200, 1001630, 1144720, 1430900, 1602608, 1954400, 2003260, 2289440, 2504075, 2861800, 3205216, 4006520, 5008150, 5723600, 8013040, 10016300, 11447200, 16026080, 20032600, 40065200, 80130400]

約数ペア:

[(1, 80130400), (2, 40065200), (4, 20032600), (5, 16026080), (7, 11447200), (8, 10016300), (10, 8013040), (14, 5723600), (16, 5008150), (20, 4006520), (25, 3205216), (28, 2861800), (32, 2504075), (35, 2289440), (40, 2003260), (41, 1954400), (50, 1602608), (56, 1430900), (70, 1144720), (80, 1001630), (82, 977200), (100, 801304), (112, 715450), (140, 572360), (160, 500815), (164, 488600), (175, 457888), (200, 400652), (205, 390880), (224, 357725), (280, 286180), (287, 279200), (328, 244300), (349, 229600), (350, 228944), (400, 200326), (410, 195440), (560, 143090), (574, 139600), (656, 122150), (698, 114800), (700, 114472), (800, 100163), (820, 97720), (1025, 78176), (1120, 71545), (1148, 69800), (1312, 61075), (1396, 57400), (1400, 57236), (1435, 55840), (1640, 48860), (1745, 45920), (2050, 39088), (2296, 34900), (2443, 32800), (2792, 28700), (2800, 28618), (2870, 27920), (3280, 24430), (3490, 22960), (4100, 19544), (4592, 17450), (4886, 16400), (5584, 14350), (5600, 14309), (5740, 13960), (6560, 12215), (6980, 11480), (7175, 11168), (8200, 9772), (8725, 9184)]